Sign up to receive free email alerts when patent applications with chosen keywords are publishedSIGN UP

Abstract:

An Orthodontic bracket wherein an opened channel receiving an orthodontic
wire, includes covering element to cover the opened channel, the covering
element can be opened to allow a fast and easy insertion of the
orthodontic wire into the channel and can be closed and blocked to avoid
that the wire goes out from the channel.

Claims:

1-6. (canceled)

7. An orthodontic bracket, comprising: a support base; and a bracket
member mounted on said base, the bracket member comprising: i) a main
channel opened to receive an orthodontic wire; ii) a covering element
crossing the main channel to limit access thereto, which covering element
can be i) opened, and ii) closed to cover the opened main channel; and
iii) a gripping element for the covering element, wherein, the bracket
member has a quadrangular shape and comprises i) a first, second, third
and fourth cut corners, ii) first and second lateral sides, iii) a first
and second longitudinal sides, and iv) an upper face, the main channel is
opened to the upper face of the bracket, longitudinally crossing the
bracket, immediately following the first and the second cut corners, to
receive a first orthodontic wire, the bracket member further has i) a
first housing longitudinally placed between the first and second cut
corners and between the first longitudinal side and the main channel, the
first housing having first and second lateral walls and a longitudinal
wall, and ii) a second housing having a quadrangular cross section,
longitudinally placed between the third and four cut corners and between
the second longitudinal side and the main channel, said second housing
has first and second lateral walls, a rear surface and a lower surface,
wherein each lateral wall of the second housing includes a guide channel
in an upper portion throughout a length thereof, the covering element
comprising a main lid to cover the main channel, the main lid pivoting on
two hinge elements integrally formed on the two lateral walls of the
first housing, said lid having a lower surface, a tong in a front portion
of the lid and located in a same plane as the lower surface, a whole of
the tong rests on an end of the lower surface of the second housing when
the lid is in a closed position, the gripping element comprising a
sliding lid having a wedge shape, the sliding lid retained on the second
housing and covering the second housing, the sliding lid having i) an
upper surface with a quadrangular housing, and ii) a lower surface with a
directly depending rectangular element, the rectangular element located
at a front portion of the lid, the rectangular element having a front
face, a lower surface, two lateral walls, a rear surface including a
housing, the front surface of the rectangular element having a
rectangular groove, each lateral wall of the rectangular element
including a lateral gripping element, each gripping element directly
depending from a respective lateral wall, and each gripping element is
slide element retained in a respective guide channel of the second
housing, each lateral gripping element presenting a rear surface in a
plane of the rear surface of the rectangular element, and, together with
the lower surface of the sliding lid, forms a longitudinal lying
"L"-shaped lower stop edge, the bracket member further comprises a
pushing element comprising a spring element placed in the second housing,
the spring element constantly pushing said longitudinal lying L-shaped
lower stop edge of the sliding lid to thereby constantly push the sliding
lid to the first longitudinal side of the bracket to forwardly maintain
the sliding lid in a closed position, said sliding lid slidable backwards
by compressing the spring element between the longitudinal lying L-shaped
lower stop edge of the sliding lid and the rear surface of the lower stop
wall, the main lid remains gripped in a closed position because the tong
being located in and gripped in the rectangular housing of the sliding
lid, and to open the main lid, the sliding lid is slide backwards to
discover the tong and be lifted upwardly to place an orthodontic wire in
the main channel.

8-11. (canceled)

12. An orthodontic bracket according to claim 7, further comprising a
passage longitudinally crossing the bracket member, the passage starting
from the third cut corner and leading to the fourth cut corner, and
through which passage may pass another orthodontic wire.

13. An orthodontic bracket, comprising: a main channel to receive an
orthodontic wire; a lid crossing the main channel to limit access
thereto, which lid can be i) opened to allow access to the main channel
for placing the orthodontic wire, and ii) closed to cover the opened main
channel having received the orthodontic wire; and a gripping element for
the lid, wherein, the bracket member comprises i) a first, second, third
and fourth cut corners, ii) first and second lateral sides, iii) a first
and second longitudinal sides, and iv) an upper face, in an open position
of the lid, the main channel is opened to the upper face of the bracket,
longitudinally crossing the bracket to receive a first orthodontic wire,
the bracket member further has i) a first housing longitudinally placed
between the first and second cut corners and between the first
longitudinal side and the main channel, the first housing having first
and second lateral walls, a longitudinal wall, and two hinge elements
integrally formed on the two lateral walls of the first housing, and ii)
a second housing having a quadrangular cross section, longitudinally
placed between the third and four cut corners and between the second
longitudinal side and the main channel, the second housing has first and
second lateral walls, a rear surface and a lower surface, wherein each
lateral wall of the second housing includes a guide channel in an upper
portion throughout a length thereof, the lid pivots on the two hinge
elements integrally formed on the two lateral walls of the first housing,
said lid having a lower surface, a tong, a whole of the tong resting on
an end of the lower surface of the second housing when the lid is in a
closed position, the gripping element comprising a sliding lid, the
sliding lid retained in the second housing, the sliding lid having i) an
upper surface, and ii) a lower surface with a depending rectangular
element, the rectangular element located at a front portion of the lid,
the rectangular element having a front face, a lower surface, two lateral
walls, a rear surface including a housing, the front surface of the
rectangular element having a groove, each lateral wall of the rectangular
element including a lateral gripping element, each gripping element
directly from a respective lateral wall, each lateral gripping element
being a slide element retained in a respective guide channel of the
second housing, each lateral gripping element presenting a rear surface
that together with the lower surface of the sliding lid forms a
longitudinal lying lower stop edge, the bracket member further comprises
a pushing element comprising a spring element located in the second
housing, the spring element pushing said longitudinal lying lower stop
edge of the sliding lid to thereby push the sliding lid to the first
longitudinal side of the bracket to forwardly maintain the sliding lid in
a closed position, said sliding lid slidable backwards by compressing the
spring element between the longitudinal lying lower stop edge of the
sliding lid and the rear surface of the lower stop wall, the lid remains
gripped in a closed position due to the tong being gripped in the
rectangular housing of the sliding lid, and to open the main lid, the
sliding lid is slide backwards to discover the tong and be lifted
upwardly to place an orthodontic wire in the main channel.

14. An orthodontic bracket according to claim 13, further comprising a
passage longitudinally crossing the bracket member, the passage starting
from the third cut corner and leading to the fourth cut corner, through
which passage may pass another orthodontic wire.

Description:

BACKGROUND OF THE INVENTION

[0001] A. Field of the Invention

[0002] This invention is related to orthodontic brackets and, more
particularly, to an orthodontic bracket wherein an opened channel which
receives an orthodontic wire includes means to cover said channel, which
can be opened to allow a fast and easy insertion of the orthodontic wire
into the channel and can be closed and blocked to avoid that the wire
goes out from the channel.

[0003] B. Description of the Related Art

[0004] Orthodontic brackets are well known in the art which are cemented
over the teeth to receive a tensioned wire and act as strength
transmitters to move and align the teeth to a suitable aesthetic and
functional position.

[0005] Normally, most of the existing bracket designs do not allow a
simple installation of the orthodontic wires and additionally in some of
said designs, the wires tend to go out from the bracket causing problems
in the orthodontic treatment.

[0006] In view of the above mentioned problems, some bracket designs have
been suggested including means to cover the channel wherein the
orthodontic wire is housed, which can be opened and closed to easily
insert or remove the orthodontic wire from said channel.

[0007] Examples of said brackets are disclosed in the following U.S.
patents: U.S. Pat. Nos. 5,269,681, 5,322,435, 5,516,284, 6,368,105,
6,960,080, 6,960,081, 6,964,565, 7,210,927, 7,210,928, 7,234,935,
7,419,375, 7,674,110, and in the following U.S. patent applications:
20040209219, 20070243497, 20090298003, 20100055636.

[0008] However, in the brackets disclosed in said patents and patent
applications, due to the particularities of their designs, there is the
possibility that the means to cover the channel of the bracket open and
release the wire because they do not include reliable blocking or
gripping means, if they include them.

[0009] In view of said problem, applicant developed an orthodontic bracket
wherein the opened channel which receives the orthodontic wire includes
means to cover said channel, which means include blocking means to avoid
that said that said cover means open and the wire can leave the channel

[0010] The blocking means act directly on the means to cover the channel,
resulting practically impossible to open said cover means unless said
blocking means be retired, which blocking means are actuated by means of
a spring element maintaining them in place, by which the possibility that
the means to cover the channel, open and the wire leave the channel, is
practically inexistent.

SUMMARY OF THE INVENTION

[0011] It is therefore a main object of this invention, to provide an
orthodontic bracket wherein the opened channel which receives the
orthodontic wire, includes means to cover said channel which in turn
includes blocking means to avoid that said cover means open and the wire
can go out from the channel.

[0012] It is another main object of this invention, to provide an
orthodontic bracket of the above disclosed nature wherein the blocking
means act directly on the means to cover the channel, resulting
impossible to open said means unless said blocking means be retired,
which are actuated by means of a spring element maintaining the wire in
its place, by which the possibility that the means to cover the channel,
open and the wire leave the channel, is practically inexistent.

[0013] These and other objects and advantages of the rotary bracket of
this invention, will be clear to those persons having ordinary skilled in
the art, from the following detailed description of the invention, which
will be with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG. 1, is a perspective view of the orthodontic bracket of the
present invention, without including the means to cover the channel, but
including the sliding lid of the gripping means;

[0015]FIG. 2, is a perspective view of the orthodontic bracket of the
present invention, without including the means to cover the channel nor
the sliding lid of the gripping means;

[0016]FIG. 3, is a lower view of the orthodontic bracket of the present
invention;

[0017] FIG. 4, is a perspective view of the orthodontic bracket of the
present invention, including the means to cover the channel but without
including the sliding lid of the gripping means;

[0018] FIG. 5, is a perspective view of the orthodontic bracket of the
present invention, including the means to cover the channel in an open
position and including the sliding lid of the gripping means;

[0019]FIG. 6, is a front view in lower perspective of the sliding lid of
the gripping means;

[0020]FIG. 7, is a rear perspective view of the sliding lid of the
gripping means.

DETAILED DESCRIPTION OF THE INVENTION

[0021] The orthodontic bracket of the present invention, will be described
in accordance with a preferred embodiment thereof, making reference to
the accompanying drawings wherein the same signs and numbers refer to the
same parts of the shown drawings, wherein the bracket of the present
invention, comprising: [0022] a support base 1 for bracket, comprising:
[0023] a cross-shaped lower base member, comprising a first arm 2, a
second arm 3, a third arm 4 and a four arm 5, each having rounded ends
and edges evenly distributed; each having an upper surface 6 and a lower
surface 7 having a plurality of undulated slots 8 to receive an adhesive
in order to be adhered to a tooth surface; [0024] a tubular member 9
integrally and centrally mounted on the upper surface of the lower base
member, having an upper surface to receive a bracket; [0025] a
quadrangular-shaped bracket member 10, having: [0026] a first 11, a
second 12, a third 13 and a four cut corner 14, a first 15 and a second
lateral side 16, a first 17 and a second longitudinal side 18 and an
upper face 19; [0027] a lower base 20, joined to the upper surface of the
tubular member; [0028] a main channel 21 opened to the upper face 19 of
the bracket and crossing it longitudinally, immediately after of the
first 11 and second cut corner 12, to receive a first orthodontic wire
(not shown), wherein said main channel 21 has an opened
quadrangular-shaped cross section; [0029] a passage 22 longitudinally
crossing the bracket, beginning from the third cut corner 13, and leading
at the four cut corner 14, through which a second orthodontic wire (not
shown) passes, wherein said passage has a quadrangular cross section;
[0030] a first housing 23 longitudinally placed between the first 11 and
second cut corner 12 of the bracket and between the lateral side 17 and
the main channel 21 in which it leads, having a first 24 and a second
lateral wall 25 and a longitudinal wall 26; [0031] a second
quadrangular-shaped housing 27 longitudinally placed between the third 13
and four cut corner 14 of the bracket and between the second longitudinal
side 18 and the main channel 21, wherein it leads, and over the passage
22, said housing having a first and a second lateral wall, a rear surface
and a lower surface, wherein each lateral wall includes a guide channel
28 in an upper portion along of all its length: [0032] covering means to
cover the main channel 21, comprising: [0033] a main lid 29 to cover the
main channel 21, pivoting on two hinge elements 30, 30' which form an
integral part of the lateral walls 24 and 25 of the first housing and in
which it is retained, said lid having an upper surface 31 and a lower
surface 32, a tong 33 at a front portion, opposed where the lid is joined
with the hinges 30, 30', located at the same plane as the lower surface
32 and a quadrangular aperture 34 located in a central portion thereof,
said lid 29 completely crossing the main channel 21 but covering it only
partially, and wherein the whole of the tongue 33 rest in an end of the
lower surface of the second housing 27 when it is at a closed portion;
[0034] gripping means for the lid, comprising: [0035] a wedge-shaped
sliding lid 35, slide retained on the second housing 27, and which covers
it as a whole, including an upper surface 36, a lower surface 36', a
quadrangular housing "C" in its upper surface 36 and a rectangular
element 37 directly depending from the lower surface, located at a front
portion of the lid 35, having a lower surface 38, two lateral walls 39,
39', a rear surface "P" including a housing "R" and a front surface 40,
wherein: the front surface 40 includes a rectangular groove 41 and each
lateral surface 39, 39' including a lateral gripping element 42, 42' each
depending directly from a respective lateral surface 39, 39', and each of
which is slide retained in a guide channel 28 of the second housing 27.
Each lateral gripping element 42, 42' presents a rear surface 43, 43'
which are in the same plane as the rear surface "P" of the rectangular
element, which, together with the lower surface 36 of the sliding lid 35,
form a longitudinal lying "L"-shaped lower stop edge. Wherein said lid
can slide behind of the second housing 27, until the guide channels 28
allows it and wherein said lid 35 may return sliding forward until the
guide channels 28 allows it, to an original closed position wherein the
second housing 27 is completely covered. The wedge shape of the slide lid
35 allows that it be adapted to the curved shape of the upper face 19 of
the bracket, so that it can maintain an upper face completely smooth when
the sliding lid 35 is closed; [0036] pushing means comprising a spring
element 44 placed in the second housing 27, to push said longitudinal
lying "L"-shaped lower stop edge of the sliding lid 35, so as to
constantly push forward all the sliding lid 35 to the front face 17 of
the bracket, this is, forwardly, maintaining it in a closed position,
wherein said sliding lid 35 can be slide behind compressing the spring
element 44 between the longitudinal lying "L"-shaped lower stop edge of
the sliding lid 35 and the upper surface of the lower stop wall; [0037]
wherein the main lid 29 remains gripped in a closed position because its
tong 33 is placed and gripped in the rectangular housing 41 of the
sliding lid and wherein, to open the main lid 29, the sliding lid 35 must
be slide behind to discover the tong 33 of the main lid 29 and could be
lifted upwardly to place an orthodontic wire in the main channel 21.

[0038] The quadrangular aperture 34 of the main lid 29 located in its
central portion, facilitates the insertion of a tool to open and close
said lid 29 and the housing "C" of the sliding lid 35 facilitates the
insertion of a tool to slide said lid 35 forward and backward to release
or grip the main lid 29 in a closed position.

[0039] The main lid 29 opens to allow a fast and easy insertion of an
orthodontic wire and, when closed and gripped with the sliding lid 35,
avoids completely that the orthodontic wire could go out from the
bracket.

[0040] Additionally, the main channel 21 can include means to reduce the
friction between the wire and the channel, such as a depression in the
lower wall of the channel to reduce the contact area between the wire and
the channel 21.

[0041] Although it was described that the bracket of the present invention
includes a passage 22 for a second orthodontic wire, in other embodiments
of the invention this cannot be included or else, to include one or more
passages.

[0042] Also, in other embodiments of the invention, the gripping means for
the main lid 29 could comprise any other type of suitable gripping means,
as for example, elements in the lid which fits under pressure in the
corresponding gripping means.

[0043] Finally, it should be understood that the orthodontic bracket of
the present invention is not limited to the above described embodiment
and that those skilled in the art will be able, with the teachings herein
established, to make changes in the orthodontic bracket of the present
invention, which scope will be established exclusively by the following
claims.

Patent applications by Alejandro Ramos-De-La-Peña, Monterrey MX

Patent applications by Pedro-Nicolás Menchaca-Flores, Monterrey MX

Patent applications by ASOCIACION METROPOLITANA PARA LA EDUCACION

Patent applications in class Having means to secure arch wire

Patent applications in all subclasses Having means to secure arch wire